15
(GB)
1) 0 dB
SPL
= 2
×
10
-5
Pa
Specifications
Signal-to-noise ratio
60 dB or more (A-weighted,
modulation frequency 1 kHz,
with ±5 kHz deviation at WRR-
802A)
Audio gain control
–12 to +9 dB, variable in
3-dB steps
Maximum input level
–7dBV
(at audio gain –12 dB)
Maximum input sound pressure level
142 dB
SPL
1)
with CU-F780/
G780/E700/F117
at audio gain –12 dB
120 dB
SPL
1)
with CU-E672
Power section
Power requirements
3.0 V DC
(two LR6/size AA alkaline
batteries)
Battery life
Approx. 8 hours at 25°C
( 77°F), with Sony LR6 alkaline
batteries, at 10 mW RF output
General
Operating temperature
0°C to +50°C (32°F to 122°F)
Storage temperature
–30°C to +60°C
(–22°F to +140°F)
Dimensions
37
×
150 mm (diameter/length)
(1
1
/
2
×
6 inches)
not including antenna
Mass
Approx. 150 g (0.5 oz)
not including batteries
Transmitter and modulator section
Oscillator
Crystal controlled PLL
synthesizer
Type of emission
F3E
Carrier frequencies
Model available in USA:
470 to 806 MHz
Model available in Australia:
792 to 806 MHz
Model available in Europe:
470 to 862 MHz
Operating frequency band Model available in USA and
Europe: 24 MHz
Model available in Australia:
14 MHz
Refer to the “Sony Wireless
Microphone System Frequency
List” supplied with this manual.
RF power output
10 mW/50 mW selectable
(50-ohm load)
Tone signal
32.768 kHz
Battery condition signal
32.782 kHz
Type of antenna
1/4 -wavelength wire
Audio section
Acceptable microphone capsule
Sony microphone capsules
listed on next page
Pre-emphasis
50 µs
Deviation
±5 kHz (–55dBV, 1 kHz input)
Frequency response
70 to 15,000 Hz
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Содержание WRT-847B
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